Chesser, R. Terry, Carol K. L. Yeung, Cheng-Te Yao, Xiu-Hua Tian, and Shou-Hsien Li. 2010. “Molecular Phylogeny of the Spoonbills (Aves: Threskiornithidae) Based on Mitochondrial DNA”. Zootaxa 2603 (1). Auckland, New Zealand:53–60. https://doi.org/10.11646/zootaxa.2603.1.2.